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[iPhone] CAKeyframeAnimation

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[iPhone] CAKeyframeAnimation

Subject: [iPhone] CAKeyframeAnimation
From: Sven <email@hidden>
Date: Wed, 12 Aug 2009 14:17:40 +0000 (UTC)

Hello,

I'm using this solution http://www.cocoabuilder.com/archive/message/cocoa/2008/8/3/214715 to animate a sequence of images in a flipbook style. It works fine on the simulator but on the device it's REALLY slow. If I set the duration to less than 5 seconds (for 25frames) the animation doesn't even play and I end up at the last frame after a pause on the previous screen.

I have 25 frames each consisting of 376x540 pngs which are loaded in before I start the animation. They are loaded into an array using imageWithContentsOfFile.

I notice that the addAnimation call to add the animation to the CALayer is taking quite a long time.

Am I reaching the limits of capability by using this number of images at this size, or is there something else I should consider?

Or perhaps a different approach to flip book these images?

Thanks

./Sven
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